About: http://webisa.webdatacommons.org/217902486

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	It does not say what R-value is required, and it almost sounds like insulation does not matter - any non-combustible surface would do, including brick which is a great heat conductor.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com